LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Supplemental Inflatable Restraint System) >> Diagnostic Tests >> DTC B0053: Deployment Commanded With Loop Malfunction >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo and 2002 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. If SIR diagnostic system check has been performed, go to next step. If SIR diagnostic system check has not been performed, go to SIR DIAGNOSTIC SYSTEM CHECK .
  2. Turn ignition off. If air bags have deployed, go to step  5. If air bags have not deployed, go to next step.
  3. Inspect vehicle and undercarriage for signs of impact. If impact has occurred, go to step  5. If no impact has occurred, go to next step.
  4. Replace SDM. See SENSING & DIAGNOSTIC MODULE (SDM)  under REMOVAL & INSTALLATION. Go to step  6.
  5. Using scan tool, request SIR DTC display. If history DTC's are retrieved, go to diagnostic aids for specific displayed DTC. If history DTC's are not displayed, replace components and perform inspections as required following an accident. See POST-COLLISION INSPECTION . Go to next step.
  6. Reconnect all SIR components. Using scan tool, clear DTC's. Road test vehicle, then check for DTC's. If DTC is retrieved, go to step  2. If DTC is not retrieved, system is okay.
scientia non olet · About LEMON Manuals